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CONTL-01 LTF-01 PORT-09 TRUNK-123 EQU-TPK000 BYD007 DLR002
FRONT-END PROCESSING DATE AND TIME 10-08-76 0300P
370 PROCESSING DATE AND TIME 10-08-86 0302P
***END OF DATA***
This BOR tells that the trouble is an open tip wire 39,200 feet from the
Central Office.
The first part of the BOR up to the --RMKR-- is the basic information
section. The second part, from --TRBL-- to SO DATE is the trouble section. The
next part, from --S/E-- to TEA-R1304 is the assignment section. The fourth
part, from --HIST-- up to REPLACED INSIDE WIRE is the Abbreviated Trouble
History section. The last part is the MLT test results section.
When a repair looks as if it may not be completed according to schedule,
a Jeopardy Report is filed. Then, more repairmen are assigned to insure the
line is repaired on time. After the repair is complete, the dispatcher retests
the loop using MLT to verify that the trouble has been dealt with. The
customer is notified, and the final disposition of trouble is entered into the
LMOS database, where it is stored for future use and evaluation. (See also
part I.)
If you had to sum up LMOS, it would be best summed up by saying LMOS is
'A customer repair data management system.'
Misc footnotes
--------------
Section one: Acronyms
ALRU-Automatic Line Record Update
AN-Associated Number
ARSB-Automated Repair Service Bureau
ATH-Abbreviated Trouble History
BOC-Bell Operating Company
BOR-Basic Output Report
CA-Cable
COE-Central Office Equipment
CMC-Construction Maintenance Center
CRSAB-Centralized Repair Service Answering Bureau
DDD-Direct Distance Dialing
ECC-Enter Cable Change
LMOS-Loop Maintenance Operations System
MLT-Mechanized Loop Testing
POTS-Plain Old Telephone Service
RSB-Repair Service Bureau
SS-Special Service
TAS-Telephone Answering Service
TH-Trouble History
TREAT-Trouble Report Evaluation and Analysis Tool
Section two: Automated Testing Systems
MLT is the third generation of Automated Testing Systems. The first
generation of testing equipment was something called the Line Status Verifier,
which was manually operated, and not nearly as efficient as MLT or the second
generation, the Automatic Line Verifier. The first and second generations of
automated testing systems were both eventually built up to the MLT third
generation type of system.
-End of file-
8/19/86
==============================================================================
References and Acknowledgements
==============================================================================
'Automation improves testing and repair of customer loops' - Bell Labs Record
'Automated Repair Service Bureau' - Bell System Technical Journal
And thanks to the following people for supplying other information:
The Videosmith, The Marauder, Lock Lifter, Mark Tabas, and anyone else that we
might have missed.
Sysops are allowed to use this file as long as nothing is changed. This file
was written in 80 columns, upper and lower case.
If you notice any errors in this file please contact one of us and changes
will be in order.
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